What is the hypothesis for the Chinese immigration and exclusion?

What are effect that potholes on the road have on the environment? What are the policy towards transgender by government? Is it physically possiblr for two women to knot their clitorises together? How does acid rain affect the ancient ruins statues and structures within Greece? What to do if your dad abuses you but denies ever doing it and lies to the cops? What is the name of the segregation today? What is the the difference between man made environment and natural environment? Are there any arguments against sustainable development? Indecent liberties with a child principal? When did Malcolm Champion die? What are the effects of land pollution? What will happen if deforestation continues to destroy the green plants on the plants? What green cards need to be renewed? What can someone do to become more Earth friendly? Is it possible to forecast acid rain? When was the first paper bag made? Do people reject the homeless? When did Desmond tutu win the Albert Schweitzer prize for humanitarianism? Can you give a short declamation piece about the environment? What is the difference between textile factories and cotton mills?

What is the hypothesis for the Chinese immigration and exclusion?